Cal Exotics First Time Fetish Nipple Teasers… A High Quality Collection of Playful Fetish Gear Designed for First Time or Experienced Users. Fully adjustable nipple clamps. Soft, comfortable pads. Nickel-Free Iron (chain, clamps, screws) Phthalate-Free PVC (tips). 12.75″/32.5 cm (chain). 2.25″/5.75 cm (clamp).